Elastic resistance
Learning Center
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Video: Hip abduction walk with resistance tubing
The hip abduction walk targets the hip muscles. See how it's done.
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
Video: Hamstring curl with resistance tubing
The hamstring curl targets the back of the thigh. See how it's done.
Video: Biceps curl with resistance tubing
The biceps curl builds strength in the upper arm. See how it's done.
Video: Bent-over row with resistance tubing
The bent-over row targets the back of the shoulder. See how it's done.
Video: Baby's soft spots (fontanels)
A baby's soft spots (fontanels) close when the skull bones fuse together. See how.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Vesicoureteral reflux
Learn about what happens if urine flows backward from the bladder. Usually found in children, this condition boosts the risk of urinary tract infections.
Vertebral tumor
Vertebral tumors grow in the bones of the spine, causing pain and weakening the spinal column. Read more about how they’re managed, and what to expect.
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